For the shown three-piece helical pile connector, it was proposed to use the cyclic models shown below to account for its seismic performance. The Helical Pile Connectors Model is specific to the tested connectors and their validity have to be checked for other helical pile connectors.
For more information, please refer to:
El Naggar M.H., Youssef M.A., Ahmed M., 2007, “Monotonic and Cyclic Lateral Behaviour of Helical Pile Specialized Connectors”, Engineering Structures, 29(10): 2635-2640.
Youssef M.A., EL Naggar M.H., Ahmed M., 2006, “Monotonic and Cyclic Load Behaviour of Helical Pile Connectors in the Vertical Direction“, Canadian Journal of Civil Engineering, 33(1): 10-18.
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